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import datetime
import glob
import os
import shutil
import subprocess
import sys
from pathlib import Path
import torch
def get_git_branch():
try:
out = subprocess.check_output(["git", "branch"]).decode("utf8")
current = next(line for line in out.split("\n")
if line.startswith("*"))
current.replace("* ", "")
except subprocess.CalledProcessError:
current = "inside_docker"
return current
def get_commit_hash():
"""https://stackoverflow.com/questions/14989858/get-the-current-git-hash-in-a-python-script"""
# try:
# subprocess.check_output(['git', 'diff-index', '--quiet',
# 'HEAD']) # Verify client is clean
# except:
# raise RuntimeError(
# " !! Commit before training to get the commit hash.")
try:
commit = subprocess.check_output(
['git', 'rev-parse', '--short', 'HEAD']).decode().strip()
# Not copying .git folder into docker container
except subprocess.CalledProcessError:
commit = "0000000"
print(' > Git Hash: {}'.format(commit))
return commit
def create_experiment_folder(root_path, model_name, debug):
""" Create a folder with the current date and time """
date_str = datetime.datetime.now().strftime("%B-%d-%Y_%I+%M%p")
if debug:
commit_hash = 'debug'
else:
commit_hash = get_commit_hash()
output_folder = os.path.join(
root_path, model_name + '-' + date_str + '-' + commit_hash)
os.makedirs(output_folder, exist_ok=True)
print(" > Experiment folder: {}".format(output_folder))
return output_folder
def remove_experiment_folder(experiment_path):
"""Check folder if there is a checkpoint, otherwise remove the folder"""
checkpoint_files = glob.glob(experiment_path + "/*.pth.tar")
if not checkpoint_files:
if os.path.exists(experiment_path):
shutil.rmtree(experiment_path, ignore_errors=True)
print(" ! Run is removed from {}".format(experiment_path))
else:
print(" ! Run is kept in {}".format(experiment_path))
def count_parameters(model):
r"""Count number of trainable parameters in a network"""
return sum(p.numel() for p in model.parameters() if p.requires_grad)
def get_user_data_dir(appname):
if sys.platform == "win32":
import winreg # pylint: disable=import-outside-toplevel
key = winreg.OpenKey(
winreg.HKEY_CURRENT_USER,
r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders"
)
dir_, _ = winreg.QueryValueEx(key, "Local AppData")
ans = Path(dir_).resolve(strict=False)
elif sys.platform == 'darwin':
ans = Path('~/Library/Application Support/').expanduser()
else:
ans = Path.home().joinpath('.local/share')
return ans.joinpath(appname)
def set_init_dict(model_dict, checkpoint_state, c):
# Partial initialization: if there is a mismatch with new and old layer, it is skipped.
for k, v in checkpoint_state.items():
if k not in model_dict:
print(" | > Layer missing in the model definition: {}".format(k))
# 1. filter out unnecessary keys
pretrained_dict = {
k: v
for k, v in checkpoint_state.items() if k in model_dict
}
# 2. filter out different size layers
pretrained_dict = {
k: v
for k, v in pretrained_dict.items()
if v.numel() == model_dict[k].numel()
}
# 3. skip reinit layers
if c.reinit_layers is not None:
for reinit_layer_name in c.reinit_layers:
pretrained_dict = {
k: v
for k, v in pretrained_dict.items()
if reinit_layer_name not in k
}
# 4. overwrite entries in the existing state dict
model_dict.update(pretrained_dict)
print(" | > {} / {} layers are restored.".format(len(pretrained_dict),
len(model_dict)))
return model_dict
class KeepAverage():
def __init__(self):
self.avg_values = {}
self.iters = {}
def __getitem__(self, key):
return self.avg_values[key]
def items(self):
return self.avg_values.items()
def add_value(self, name, init_val=0, init_iter=0):
self.avg_values[name] = init_val
self.iters[name] = init_iter
def update_value(self, name, value, weighted_avg=False):
if name not in self.avg_values:
# add value if not exist before
self.add_value(name, init_val=value)
else:
# else update existing value
if weighted_avg:
self.avg_values[name] = 0.99 * self.avg_values[name] + 0.01 * value
self.iters[name] += 1
else:
self.avg_values[name] = self.avg_values[name] * \
self.iters[name] + value
self.iters[name] += 1
self.avg_values[name] /= self.iters[name]
def add_values(self, name_dict):
for key, value in name_dict.items():
self.add_value(key, init_val=value)
def update_values(self, value_dict):
for key, value in value_dict.items():
self.update_value(key, value)
def check_argument(name, c, enum_list=None, max_val=None, min_val=None, restricted=False, val_type=None, alternative=None):
if alternative in c.keys() and c[alternative] is not None:
return
if restricted:
assert name in c.keys(), f' [!] {name} not defined in config.json'
if name in c.keys():
if max_val:
assert c[name] <= max_val, f' [!] {name} is larger than max value {max_val}'
if min_val:
assert c[name] >= min_val, f' [!] {name} is smaller than min value {min_val}'
if enum_list:
assert c[name].lower() in enum_list, f' [!] {name} is not a valid value'
if isinstance(val_type, list):
is_valid = False
for typ in val_type:
if isinstance(c[name], typ):
is_valid = True
assert is_valid or c[name] is None, f' [!] {name} has wrong type - {type(c[name])} vs {val_type}'
elif val_type:
assert isinstance(c[name], val_type) or c[name] is None, f' [!] {name} has wrong type - {type(c[name])} vs {val_type}'
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